Method and device at a piston-cylinder device

Details Method and device at a piston-cylinder device Method and device at a piston-cylinder device

2005-12-06

2005-12-06

Lazo, Thomas E. (Department: 3745)

Expansible chamber devices

Cylinder detail

C267S119000, C188S322180

Reexamination Certificate

active

06971303

ABSTRACT:
A method and an arrangement in an energy-accumulating piston-cylinder arrangement (A) has a piston/piston rod part (2), guide/end (3) and tubular casing (1). The casing (1) is provided with a fracture or sprain mark (7) in order to initiate a controlled deformation of the casing in the event of a load that produces a stress in excess of a sprain or fracture limit, or of repeated cyclical stressing that gives rise to material fatigue, so that an excess pressure in the arrangement (A) is discharged past the deformed casing.

REFERENCES:
patent: 3995842 (1976-12-01), Freitag
patent: 5064030 (1991-11-01), Wossner
patent: 5620067 (1997-04-01), Bauer et al.
patent: 6322059 (2001-11-01), Kelm et al.
patent: 0 427 468 (1991-05-01), None

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